925997257 has 2 divisors, whose sum is σ = 925997258. Its totient is φ = 925997256.

The previous prime is 925997239. The next prime is 925997287. The reversal of 925997257 is 752799529.

925997257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592240896 + 333756361 = 24336^2 + 18269^2 .

It is an emirp because it is prime and its reverse (752799529) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-925997257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 925997198 and 925997207.

It is not a weakly prime, because it can be changed into another prime (925997287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462998628 + 462998629.

It is an arithmetic number, because the mean of its divisors is an integer number (462998629).

Almost surely, 2^925997257 is an apocalyptic number.

It is an amenable number.

925997257 is a deficient number, since it is larger than the sum of its proper divisors (1).

925997257 is an equidigital number, since it uses as much as digits as its factorization.

925997257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 55.

The square root of 925997257 is about 30430.2030390860. The cubic root of 925997257 is about 974.6976075607.

It can be divided in two parts, 92599 and 7257, that added together give a square (99856 = 316²).

The spelling of 925997257 in words is "nine hundred twenty-five million, nine hundred ninety-seven thousand, two hundred fifty-seven".